Function: Prints out all settings sections added to a particular settings page.

Function: Prints out the settings fields for a particular settings section.

Function: Registers a settings error to be displayed to the user.

Function: Fetches settings errors registered by add_settings_error().

Function: Displays settings errors registered by add_settings_error().

Function: Outputs the modal window used for attaching media to posts or pages in the media-listing screen.

Function: Prints out option HTML elements for role selectors.

Function: Outputs the form used by the importers to accept the data to be imported.